package org.zhadoop.stream.cql.executor.operatorinfocreater;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

import org.zhadoop.stream.cql.executor.expressioncreater.ExpressionCreator;

/**
 * 表达式实例创建类申明
 * @author zwd
 *
 */
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.TYPE})
public @interface ExpressionCreatorAnnotation {
	/**
	 * 映射属性值
	 * @return
	 */
	Class<? extends ExpressionCreator>  value();
}
